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| author | Shawn Guo <shawn.guo@linaro.org> | 2012-07-19 23:16:30 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-11-16 14:18:53 +0800 |
| commit | d90df97863c7838847abd0f144c71db60aa00643 (patch) | |
| tree | 0a467ce8312f4dbbf0e7792815b8be2be15dec36 | |
| parent | c92503886c9e566708a05f92a99c9c3fe71f4348 (diff) | |
| download | linux-3.10-d90df97863c7838847abd0f144c71db60aa00643.tar.gz linux-3.10-d90df97863c7838847abd0f144c71db60aa00643.tar.bz2 linux-3.10-d90df97863c7838847abd0f144c71db60aa00643.zip | |
ARM: imx: enable cpufreq for imx6q
It enables cpufreq support for imx6q with generic cpufreq-cpu0 driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
| -rw-r--r-- | arch/arm/boot/dts/imx6q.dtsi | 10 | ||||
| -rw-r--r-- | arch/arm/mach-imx/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/mach-imx/clk-imx6q.c | 1 |
3 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index 255f56b124e..1565aea59eb 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -36,6 +36,14 @@ compatible = "arm,cortex-a9"; reg = <0>; next-level-cache = <&L2>; + operating-points = < + /* kHz uV */ + 792000 1100000 + 396000 950000 + 198000 850000 + >; + clock-latency = <61036>; /* two CLK32 periods */ + cpu0-supply = <®_cpu>; }; cpu@1 { @@ -447,7 +455,7 @@ anatop-max-voltage = <2750000>; }; - regulator-vddcore@140 { + reg_cpu: regulator-vddcore@140 { compatible = "fsl,anatop-regulator"; regulator-name = "cpu"; regulator-min-microvolt = <725000>; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index f1bf610e290..01bf72c56c0 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -829,6 +829,8 @@ config SOC_IMX53 config SOC_IMX6Q bool "i.MX6 Quad support" + select ARCH_HAS_CPUFREQ + select ARCH_HAS_OPP select ARM_CPU_SUSPEND if PM select ARM_GIC select COMMON_CLK @@ -841,6 +843,7 @@ config SOC_IMX6Q select MFD_SYSCON select PINCTRL select PINCTRL_IMX6Q + select PM_OPP if PM help This enables support for Freescale i.MX6 Quad processor. diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index e5a82bb95b5..5f9f5919dd7 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -406,6 +406,7 @@ int __init mx6q_clocks_init(void) clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL); clk_register_clkdev(clk[ahb], "ahb", NULL); clk_register_clkdev(clk[cko1], "cko1", NULL); + clk_register_clkdev(clk[arm], NULL, "cpu0"); /* * The gpmi needs 100MHz frequency in the EDO/Sync mode, |